Michael Shermer, a critic of "intelligent design", has made such a comparison before.

Quote

In Why People Believe Weird Things I compared these evolution deniers to Holocaust deniers, pointing out how they use the same style of argumentation and commit the same fallacies of logic in their parallel attempts to distort the historical record for political, ideological, or religious purposes.

I don't want anyone to get the idea that invidious comparisons are exclusively employed by ID advocates. I do want to document that ID advocates do deploy invidious comparisons, and show something of the poor level of justification usually given for the deployment of such comparisions by the ID advocates.